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Topic Title: Averatec 3225 PowerNow Standby Reboot Problem
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Created On: 02/17/2006 03:00 PM
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 02/17/2006 03:00 PM
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Joined: 02/17/2006

I recently purchased a used Averatec 3225 laptop. I'm having an issue with it that is processor based and so I thought I might try to look for answers here. I've done some searching but so far nothing similar has turned up. The problems seems to be with the AMD PowerNow technology. If I boot up with my Windows XP (SP2 installed) power settings configured to "Portable/Laptop" as they should be to enable the PowerNow features the system works fine. That is until I put the computer in Standby mode and then wake it up again. After I wake it up, within a few minutes the laptop will spontaneously restart. The way I determined that it was a problem with the PowerNow technology is the fact that if I change the Windows power settings to "Always On" (which disables PowerNow), the problem goes away. Just for kicks I decided to enable CPU throttling by using a 3rd party application called RMClock. The app allows me to set the desired CPU multiplier and voltage. I found that if I let it use the PowerNow defualts (different multipliers at various voltages) then the problem persisted. However if I configured it to still allow CPU throttling but keep the voltages at a constant max of 1.250 then the problem went away. For some reason it seems that the CPU needs more voltage for the various clock speeds after coming out of standby than before. Does that sound feasable to anyone else. I'm open to suggestions as to what else I might try to resolve this issue. The CPU doesn't seem to be overheating and I have taken the heatsink off and applied new thermal grease and reseated it. I have also installed the latest AMD Processor drivers from Microsoft. Thanks for any help you might be able to offer.
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